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Associations between vitamin D2 and metabolic indices in institutionalized older adults – a cross-sectional study

cris.virtual.author-orcid0000-0002-7182-6905
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dc.abstract.enReduced sun exposure and inadequate dietary intake are major contributors to vitamin D deficiency in older adults. While vitamin D3 is well studied, the metabolic role of vitamin D2 (VD2) remains underexplored. This study investigated associations between serum VD2 and selected metabolic indices in an institutionalized elderly population. In our study 95 older adults (mean age: 63±14 years) were assessed for dietary intake, body composition, 25(OH)D, VD2, vitamin D receptor (VDR) protein, and hormones regulating energy homeostasis. Food intake was evaluated via a questionnaire and analyzed using dedicated software. Participants were overweight, with excessive caloric intake and insufficient protein and vitamin D consumption. Serum 25(OH)D concentrations indicated vitamin D deficiency (17.6±23.9 ng/mL). Serum VD2 showed significant positive correlations with insulin (r=0.87, p
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Fizjologii, Biochemii i Biostruktury Zwierząt
dc.contributor.authorCzyzniewski, B.
dc.contributor.authorChmielowiec, J.
dc.contributor.authorPruszyńska-Oszmałek, Ewa
dc.contributor.authorHajduk-Warchol, M.
dc.contributor.authorChmielowiec, K.
dc.contributor.authorKołodziejski, Paweł
dc.contributor.authorHuzarski, T.
dc.contributor.authorChecinska-Maciejewska, Z.
dc.contributor.authorKowalski, M.T.
dc.contributor.authorSzczap, E.
dc.contributor.authorGibas-Dorna, M.
dc.date.access2025-12-08
dc.date.accessioned2025-12-08T12:35:35Z
dc.date.available2025-12-08T12:35:35Z
dc.date.copyright2025-10-31
dc.date.issued2025
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if1,7
dc.description.number5
dc.description.points100
dc.description.versionfinal_published
dc.description.volume76
dc.identifier.doi10.26402/jpp.2025.5.06
dc.identifier.eissn1899-1505
dc.identifier.issn0867-5910
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/6264
dc.identifier.weblinkhttps://www.jpp.krakow.pl/
dc.languageen
dc.relation.ispartofJournal of Physiology and Pharmacology
dc.relation.pages547-560
dc.rightsOther
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.envitamin D deficiency
dc.subject.envitamin D2
dc.subject.envitamin D receptor
dc.subject.enelderly
dc.subject.enmetabolic health
dc.subject.enadipokines
dc.subject.eninsulin
dc.subject.enleptin
dc.subject.enadiponectin
dc.subject.enprincipal component analysis
dc.titleAssociations between vitamin D2 and metabolic indices in institutionalized older adults – a cross-sectional study
dc.typeJournalArticle
dspace.entity.typePublication